teacake vs cookie

teacake and cookie both are nouns.

Word	Noun	Adjective	Verb	Adverb
teacake	Yes	No	No	No
cookie	Yes	No	No	No

As nouns, cookie is a hypernym of teacake; that is, cookie is a word with a broader meaning than teacake:

Other hypernyms of teacake include biscuit, cooky.

teacake (noun)	cookie (noun)
any of various small cakes or cookies often served with tea	a short line of text that a web site puts on your computer's hard drive when you access the web site
flat semisweet cookie or biscuit usually served with tea	any of various small flat sweet cakes
	the cook on a ranch or at a camp